Head Case :: Biology Essays Research Papers

Head Case Most of the little girls I knew in my childhood liked to play dress up, host tea parties, play with dolls, paint, and do other "normal" children's activities. When I was a little girl I enjoyed painting, hosting tea parties, and spent many of my weekends and school vacations competing in both national and international martial arts tournaments and exhibitions. Martial arts taught me self-discipline, self-control, and self-awareness as a child. It kept me physically fit, and made me more confident in my abilities. However, as I progressed through the ranks I spent more time training and much more time competing. Once a practitioner reaches the level of Black Belt, all sparring matches become full contact, meaning blows to the head, neck, and below the waist are now scored as hits as opposed to fouls by sporting rules. I reached the rank of Black Belt at age eight, meaning I participated in full contact sparring matches for roughly six years. In addition to my competing as a martial artist, I was also an amateur boxer for two years- from ages 13 to 15. At the time, I didn't think about the consequences of the sport I had chosen. The daily punishment of taking one or two hard blows to the head didn't seem troublesome at the time. All competitors wore gloves in addition to protective headgear and mouthguards. In the roughly ten years in which I fought competitively I sustained several concussions, and only one in which I lost consciousness. However you may wonder, what is the clinical definition of this condition, and how are concussions diagnosed? What is a Concussion? When an injury to the brain is sustained, it causes the brain to bounce against the hard bone of the skull. The force of the hit against the skull might cause "tearing or twisting" of structures and blood vessels in the brain. This "tearing or twisting" deep within the brain tissue causes a breakdown in the normal flow of messages within the brain. This breakdown is the biological explanation of the concussion condition (1). Oh No! Am I Concussed? There are over 600,000 cases of sustained concussion in the United States alone each year. Symptoms include, loss of consciousness, dizziness, nausea or vomiting, increased size of one pupil, loss of memory, severe headache, weakness in one or more extremities, or changes in behavior. These symptoms may last anywhere from a couple hours to several weeks or months, depending on the seriousness of the injury, according to most physicians (1).

Intermediate Financial Management

BA – 316 Project Part 1 Identify a company Look at financial statements (from previous years, at least one year) Conduct ratio analysis. Use Dupont equation from results.. Make a financial statement Organize and Analyze Statements Make recommendations – how will you improve the forecast Strengths, weaknesses, etc. Part 2 Forecasting – Statistical Analysis Standard Goal of 10% Determine location of new funds (borrowing, issuance of stocks, capital) ? page to 1 page proposal before starting project Chapter 2 Homework – (5 , 9) & Mini Case (a – i), (#12 for 08/31) *Mini Case (j – m) for 09/12 Correlation Coefficient -> Degree of variability Possibilities of economy on investments ProbabilityRate of Return A Pessimistic. 2513% Likely. 5015% Optimistic. 2517% Realized Rate of Return & Correlation Coefficient ***Calculate Correlation of Coefficient for these stocks Stocks X, Y, and Z Year 1Year 2Year 3Year 4Year 5Avg? X8%10%12%14%16%12%3. 16 Y16%14 %12%10%8%12%3. 16 Z8%10%12%14%16%12%3. 16 Correlation – A statistical measure of the relationship between the rates of return of two assets Correlation Coefficient – A statistical measure of the degree of the relationship between the rates of return of two assets. Positively Correlated – Describes two rates of return that move in the same direction Negatively Correlated- Describes two rates of return that move in opposite directions ?= t=1n(ri,t-ri,avg)(rj,t – rj,avg)t=1nri,t-ri,avg2t=1nrj,t – rj,avg2 Yearr  ? xryrz 18%16%8%Rxy= 2101410 3121212Rxz= 4141014 516816 Diversifiable Risk Company-specific risk Unsystematic risk S&P, NASDAQ, Dow Jones Non-Diversifiable Risk Market Risk Systematic Risk The risk of a portfolio depends on the correlation coefficient of returns on the assets within the portfolio. 1. If rate of return of two assets are perfectly positively correlated, R = 1 2. If rate of return of two assets are perfectly negatively correlated, R = -1 3. If rate of return of two assets are independent, -1 < R < 1 Beta Coefficient – b Measure of the risk that one asset can contribute to a portfolio ry = a + b(rM) When beta is positive, it means that the stock moves with the market And vice-versa if beta is negative Beta measures the non-diversifiable risk of an asset. Find Correlation Coefficient (as a portfolio) Calculate beta – Use S&P What should be the risk of the portfolio? **Pick a pair Exxon & BP Walmart & Kroger Verizon & AT&T Toyota & Ford CAPM – Capital Asset Pricing Model A model that describes the relationship between the required rate of return and the non-diversifiable risk of a portfolio rMrxryrz 55102. 5 1010205 1515307. 5 20204010 25255012. 5 30306015 r17. 517. 5358. 75 b1120. 50 ?111 bx= ? rx? rm? xm = ? x? m? xm SML Equation – ri = rrf + (rm – rrf)bi IF rm = 9% RRF = 3% bA = 0. 5 bB= 1 bC= 2 Slope of SML line provides the riskiness of the market, aka market risk premium. Chapter 3 – page 76 Optimal Portfolio Homework (#7) Covariance COVAB = i=1nrAi- rArBi- rBPi ProbabilityAsset AAsset BAsset CAsset DAsset E .158%4%12%2%4% .20861046 .3088878 .2081061210 .1581241612 r ? 88888 ?02. 522. 524. 662. 52 COV COVxy= ? x ? y(? xy) Solve COVBD, COVBE, COVCD Calculate risk without beta ?p= wx2? x2+(1-w)y2? y2+2w(1-w)? xy? x? y Two key factors for investing How much is the rate of return What is the risk involved If COV is large & positive Portfolio standard deviation will be between the two stand-alone deviations If COV is large & negative Portfolio standard deviation will be minimized (lower than the lowest one) Analyzing portfolio options Asset AAsset B r ? 5%8% ?410 wawbr ? p 100%05. 0 75%25%5. 75 50%50%6. 5 25%75%7. 25 0100%8. 0 ?p ?ab = 1? ab = 0? ab = -1 Linear relationship between increases in portion changes of asset A vs. asset B Percentage change in risk also remains constant if perfectly positively or perfectly negatively correlated Look into financial statements for project, bring to class 09-28 r ? A = 5% ?A = 4% r ? B = 8% ?B = 10% wAwbr ab = 1? ab = 0 ? ab = -1 100%0%5%444 75255. 755. 53. 90. 5 50506. 57. 05. 43. 0 25757. 258. 57. 66. 5 01008. 010. 010. 010. 0 Plot rate of return on y-axis and risk on x-axis The feasible set will be determined Most Efficient portfolio Provides maximum expected rate of return with the least risk. The capital market line Shows the possibility that investors could have an efficient portfolio outside of the feasible set Short-term borrowing and short-term lending

Racial Differences the Tempest - 1757 Words

Racial Differences in The Tempest The Tempest is a classic example of Shakespeare’s dichotomized notions of right and wrong within the context of racial inherencies, a social commentary of the colonialism of the New World. An important theme in the play is the racial differentiation between Caliban and the other antagonists, primarily, Prospero, who comes to the island and enslaves Caliban to enforce his own rule. This relationship, as portrayed through the play, is a reflection of the historical social and racial tensions that existed between the colonizers of New Europe and the Native Americans and is illustrated through the language employed by Shakespeare and the interactions that take place between the characters. The Tempest†¦show more content†¦The racial and colonial divides do not remain at the mere differentiation or relegation of a people but extend to explain why these differences justify the dominance of supposed superior culture over these very people. T he play reflects early modern conceptions of race and racial differences through the marriage between Claribel and the African King of Tunis as well as through the treatment of Caliban by the antagonists. Claribel marries the King of Tunis out of obedience to her father even though she does not want to. Shakespeare portrays this marriage to an African as degrading, reflecting the racial conception of the inferiority of the colored man to the white man through the character of Sebastian and his conversation with Alonso, the King of Naples: That would not bless our Europe with your daughter, But rather loose her to an African, Where she at least is banished from your eye, Who hath cause to wet the grief on’t . . . You were kneeled to an importuned otherwise By all of us, and the fair soul herself Weighed between loathness and obedience at Which n o‘ the been should bow. (36-37) Caliban also reflects the racial differences and inferiority of other races to the white race, which is partially reflected in his contrast to Prospero. Caliban’s mother wasShow MoreRelatedWilliam Shakespeare s The Tempest1874 Words   |  8 Pages â€Å"You look similar to me with your appearance. Not just with skin color, but with hands and feet,† said the Caliban from Shakespeare s The Tempest, (or as I will call him, Caliban X). â€Å"I share the same sentiment,† said the Caliban from Cesaire s A Tempest (or as I will refer to him as, Caliban Y); â€Å"...and I am not aware of the circumstances of why we are here, but we can use this time for a purposeful discussion about our livelihoods.† â€Å"I seem to have heard you mention the color of ourRead MoreNo More Miss America By Robin Morgan Essay932 Words   |  4 Pagesstereotype based on racial beauty standards, submissiveness, and inferiority to men. 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